Home / 26,881,287.80-40,321,931.70-19,323,015.80

Finding the Fourth Proportional to 26,881,287.80, 40,321,931.70 and 19,323,015.80

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Solution

The fourth proportional to 26,881,287.80, 40,321,931.70 and 19,323,015.80 is: 28,984,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881,287.80 : 40,321,931.70 = 19,323,015.80 : x
  2. Step 2: Convert to fraction form
    26,881,287.80/40,321,931.70 = 19,323,015.80/x
  3. Step 3: Cross multiply
    26,881,287.80x = 40,321,931.70 × 19,323,015.80
  4. Step 4: Simplify right side
    26,881,287.80x = 779,141,323,325,621
  5. Step 5: Solve for x
    x = 779,141,323,325,621/26,881,287.80
  6. Step 6: Final answer
    x = 28,984,523.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.